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Performance Measurements in Large and Small Scale Multi-Stage Axial Compressors FREE

[+] Author Affiliations
Ulrich Waitke, Michael Ladwig

ABB Power Generation Ltd, Baden, Switzerland

Paper No. 97-AA-010, pp. V001T03A004; 8 pages
doi:10.1115/97-AA-010
From:
  • ASME 1997 Turbo Asia Conference
  • ASME 1997 Turbo Asia Conference
  • Singapore, September 30–October 2, 1997
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7867-5
  • Copyright © 1997 by ASME

abstract

During the commissioning of the prototype of the sequential combustion turbine GT24 extensive measurements of the compressor performance at design- and off-design-operation were accomplished besides the investigation of the other components of the GT. While the compressor performance at design operating conditions was as expected the data obtained showed some unexpected deviations from previously performed measurements of a 1/3-scale test rig of the low pressure compressor. This paper summarizes the results of the measurements and presents a detailed comparison between the measured performance of the GT compressor, the design data and the test rig. The discussion is focused on the influence of scaling effects on the aerodynamic performance and stage matching with particular emphasis on the Reynolds Number influence at different aerodynamic speeds. Furthermore some aspects of the starting behavior of the compressor are presented.

Copyright © 1997 by ASME
Topics: Compressors
This article is only available in the PDF format.

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